33   def ForwardBetweenInterfaces(self, enabled, iface1, iface2):  argument
35       self.iproute.IifRule(6, enabled, self.GetInterfaceName(iif),
36                            self._TableForNetid(oif), self.PRIORITY_IIF)
38   def setUp(self):  argument
39     self.SetSysctl("/proc/sys/net/ipv6/conf/all/forwarding", 1)
41   def tearDown(self):  argument
42     self.SetSysctl("/proc/sys/net/ipv6/conf/all/forwarding", 0)
44   def CheckForwardingCrash(self, netid, iface1, iface2):  argument
50     self.SetSocketMark(listensocket, netid)
53     remoteaddr = self.GetRemoteAddress(version)
54     myaddr = self.MyAddress(version, netid)
59     reply = self._ReceiveAndExpectResponse(netid, syn, synack, msg)
62     self.ReceivePacketOn(netid, establishing_ack)
68     self.ExpectPacketOn(netid, msg + ": expecting %s after close" % desc, fin)
71     self.ReceivePacketOn(netid, finack)
74     sockets = self.ReadProcNetSocket("tcp6")
79     self.assertEquals(1, len(sockets))
80     self.assertEquals("%02X" % self.TCP_TIME_WAIT, sockets[0][2])
84       self.iproute.DelAddress(myaddr, 64, self.ifindices[netid])
86       self.ReceivePacketOn(iface1, finack)
87       self.ReceivePacketOn(iface1, establishing_ack)
88       self.ReceivePacketOn(iface1, establishing_ack)
93       self.SendRA(netid)
96   def testCrash(self):  argument
98     for netids in itertools.permutations(self.tuns):
101       self.ForwardBetweenInterfaces(True, iface1, iface2)
103         self.CheckForwardingCrash(netid, iface1, iface2)
105         self.ForwardBetweenInterfaces(False, iface1, iface2)